Match RAL 640-3
RAL Effect RAL 640-3 is a deep, low-reflectance shade with an LRV of 11. The matches below are ranked by ΔE, a perceptual color-difference score.
View full RAL 640-3 color page →
Closest matches across every brand
One match per brand, ranked by ΔE — a perceptual color difference score calculated from Lab color space values. Lower is closer. Click any card to compare side by side in simulated rooms.
A 8-point LRV gap (19 vs 11) makes Sky blue the marginally brighter of the two. A ΔE of 0.4 means the difference barely reads in a finished room.
A 7-point LRV gap (18 vs 11) makes North Sea the marginally brighter of the two. A ΔE of 2.5 means the difference barely reads in a finished room.
Blue Macaw reads slightly lighter (LRV 18 vs 11), a gap that shows most in low-lit rooms. At ΔE 4.4 they're clearly different, yet close enough to share a room.
Danube reads slightly lighter (LRV 16 vs 11), a gap that shows most in low-lit rooms. At ΔE 5.1 they're clearly different, yet close enough to share a room.
Their light reflectance is nearly identical (LRV 11 vs 9), so neither reads brighter in a room. The ΔE 5.5 gap is real but not dramatic — distinct as a choice, harmonious together.
Skylla reads slightly lighter (LRV 20 vs 11), a gap that shows most in low-lit rooms. At ΔE 6.4 they're clearly different, yet close enough to share a room.
With LRVs of 11 and 10, the two reflect almost the same amount of light. At ΔE 7.4 they're clearly different, yet close enough to share a room.
Their light reflectance is nearly identical (LRV 12 vs 11), so neither reads brighter in a room. A ΔE of 12.1 puts them firmly in different territory — a strong contrast if combined.
Delicate Cornflower reflects far more light (LRV 32 vs 11), opening up a space where RAL 640-3 encloses it. At ΔE 14.1 these are two genuinely different directions, not variations on a theme.
St Giles Blue reflects far more light (LRV 30 vs 11), opening up a space where RAL 640-3 encloses it. At ΔE 16.2 these are two genuinely different directions, not variations on a theme.
Their light reflectance is nearly identical (LRV 11 vs 8), so neither reads brighter in a room. A ΔE of 17.0 puts them firmly in different territory — a strong contrast if combined.
A 3-point LRV gap (11 vs 8) makes RAL 640-3 the marginally brighter of the two. A ΔE of 25.2 puts them firmly in different territory — a strong contrast if combined.
A 3-point LRV gap (14 vs 11) makes Passageway the marginally brighter of the two. A ΔE of 27.4 puts them firmly in different territory — a strong contrast if combined.
A 8-point LRV gap (19 vs 11) makes S 5010-R90B the marginally brighter of the two. A ΔE of 29.6 puts them firmly in different territory — a strong contrast if combined.